论文部分内容阅读
PVC异型材高速挤出的新发展韩宝仁(化工部北京化工研究院,100013)NewAdvancesofHighSpeedExtrusionofPVCProfile¥HanBaoren(BeijingResearchInstituteofChemicalI...
New Development of High Speed Extrusion of PVC Profiles Han Baoren (Beijing Institute of Chemical Industry, Ministry of Chemical Industry, 100013) New Advances of High Speed Extrusion of PVC Profile¥Han Baoren(Beijing Research Institute of Chemical...